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-rw-r--r--drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c15
-rw-r--r--include/drm/bridge/dw_mipi_dsi.h8
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index bb4aeca5c0f9..3962e5d84e1e 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -270,6 +270,7 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host,
struct mipi_dsi_device *device)
{
struct dw_mipi_dsi *dsi = host_to_dsi(host);
+ const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data;
struct drm_bridge *bridge;
struct drm_panel *panel;
int ret;
@@ -300,6 +301,12 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host,
drm_bridge_add(&dsi->bridge);
+ if (pdata->host_ops && pdata->host_ops->attach) {
+ ret = pdata->host_ops->attach(pdata->priv_data, device);
+ if (ret < 0)
+ return ret;
+ }
+
return 0;
}
@@ -307,6 +314,14 @@ static int dw_mipi_dsi_host_detach(struct mipi_dsi_host *host,
struct mipi_dsi_device *device)
{
struct dw_mipi_dsi *dsi = host_to_dsi(host);
+ const struct dw_mipi_dsi_plat_data *pdata = dsi->plat_data;
+ int ret;
+
+ if (pdata->host_ops && pdata->host_ops->detach) {
+ ret = pdata->host_ops->detach(pdata->priv_data, device);
+ if (ret < 0)
+ return ret;
+ }
drm_of_panel_bridge_remove(host->dev->of_node, 1, 0);
diff --git a/include/drm/bridge/dw_mipi_dsi.h b/include/drm/bridge/dw_mipi_dsi.h
index 6d7f8eb5d9f2..a9c03099cf3e 100644
--- a/include/drm/bridge/dw_mipi_dsi.h
+++ b/include/drm/bridge/dw_mipi_dsi.h
@@ -19,6 +19,13 @@ struct dw_mipi_dsi_phy_ops {
unsigned int *lane_mbps);
};
+struct dw_mipi_dsi_host_ops {
+ int (*attach)(void *priv_data,
+ struct mipi_dsi_device *dsi);
+ int (*detach)(void *priv_data,
+ struct mipi_dsi_device *dsi);
+};
+
struct dw_mipi_dsi_plat_data {
void __iomem *base;
unsigned int max_data_lanes;
@@ -27,6 +34,7 @@ struct dw_mipi_dsi_plat_data {
const struct drm_display_mode *mode);
const struct dw_mipi_dsi_phy_ops *phy_ops;
+ const struct dw_mipi_dsi_host_ops *host_ops;
void *priv_data;
};